
class Person:
    def __init__(self):
        self.name = "wahaha"
        self.age = 22
    def get_name(self):
        return self.name
    def get_age(self):
        return self.age
    def set_age(self,age):
        self.age = age


persion = Person()
print(persion.get_name())
print(persion.get_age())
persion.set_age(25)
print(persion.get_age())